This is the 4456th most frequent Korean word.
화석
Fossil.
In this sentence, '화석' refers to physical remains preserved from a past geological age, specifically fossils.
이 지역에서는 다양한 종류의 화석이 발견됩니다.
Various types of fossils are discovered in this region.
Here, '화석' is used metaphorically to imply someone outdated or from a bygone era.
그는 오래된 업계에서 일하는 베테랑으로서 '산업의 화석'이라고 불립니다.
He is called the 'fossil of the industry' as a veteran working in an old sector.
In this context, '화석' is part of the term '화석 연료', which refers to fossil fuels, extracted from organic matter preserved over geological times.